---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20437 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 712 10154 4 5122 14934 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:3c:d0:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.218/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84743sec preferred_lft 84743sec inet6 fe80::f816:3eff:fe3c:d023/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:43:65:91:88:cd brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20437) 02/24/26 _x86_64_ (4 CPU) 14:38:26 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:08 20.12 3.26 15.54 1.32 757.33 4303.42 16742.32 15:00:18 41.38 0.82 23.64 16.92 26.78 3507.72 237407.72 Average: 30.77 2.04 19.60 9.14 391.33 3904.78 127294.54 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:08 10393676 13874292 2084888 12.73 129524 3486160 2632884 15.11 726732 4885584 23564 15:00:18 8403140 12844580 3105652 18.97 171664 4320596 3599224 20.66 981560 6519544 20744 Average: 9398408 13359436 2595270 15.85 150594 3903378 3116054 17.89 854146 5702564 22154 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:08 lo 0.99 0.99 0.11 0.11 0.00 0.00 0.00 0.00 14:50:08 ens3 89.30 70.22 933.96 15.53 0.00 0.00 0.00 0.00 14:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:18 lo 1443.63 1443.63 1375.16 1375.16 0.00 0.00 0.00 0.00 15:00:18 ens3 95.66 72.97 375.88 19.47 0.00 0.00 0.00 0.00 15:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 723.75 723.75 689.00 689.00 0.00 0.00 0.00 0.00 Average: ens3 92.49 71.60 654.36 17.50 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20437) 02/24/26 _x86_64_ (4 CPU) 14:38:26 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:08 all 43.99 0.00 1.55 0.12 0.07 54.27 14:50:08 0 43.78 0.00 1.74 0.11 0.07 54.30 14:50:08 1 44.98 0.00 1.53 0.06 0.07 53.36 14:50:08 2 44.38 0.00 1.46 0.11 0.07 53.97 14:50:08 3 42.80 0.00 1.46 0.20 0.07 55.46 15:00:18 all 70.40 0.00 2.71 0.07 0.10 26.72 15:00:18 0 69.35 0.00 2.81 0.04 0.10 27.71 15:00:18 1 72.33 0.00 2.62 0.04 0.10 24.90 15:00:18 2 71.64 0.00 2.79 0.09 0.10 25.38 15:00:18 3 68.29 0.00 2.62 0.10 0.10 28.89 Average: all 57.21 0.00 2.13 0.09 0.09 40.48 Average: 0 56.57 0.00 2.28 0.08 0.08 40.99 Average: 1 58.68 0.00 2.08 0.05 0.09 39.11 Average: 2 58.03 0.00 2.13 0.10 0.09 39.65 Average: 3 55.56 0.00 2.04 0.15 0.08 42.16